package cn.njxzc.examples;

import java.util.HashSet;
import java.util.Iterator;

public class Exam8_5 {

	@SuppressWarnings({ "rawtypes", "unchecked" })
	public static void main(String[] args) {

		HashSet s = new HashSet();

		s.add("40");

		s.add(new Integer(40));

		Iterator i = s.iterator();

		while (i.hasNext())

			System.out.println(i.next());

	}

}
